11636623752 has 64 divisors (see below), whose sum is σ = 32409720000. Its totient is φ = 3457031424.

The previous prime is 11636623697. The next prime is 11636623763. The reversal of 11636623752 is 25732663611.

It is a super-2 number, since 2×11636623752² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 634002 + ... + 652097.

It is an arithmetic number, because the mean of its divisors is an integer number (506401875).

Almost surely, 2^11636623752 is an apocalyptic number.

11636623752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11636623752 is an abundant number, since it is smaller than the sum of its proper divisors (20773096248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11636623752 is a wasteful number, since it uses less digits than its factorization.

11636623752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1286150 (or 1286146 counting only the distinct ones).

The product of its digits is 272160, while the sum is 42.

The spelling of 11636623752 in words is "eleven billion, six hundred thirty-six million, six hundred twenty-three thousand, seven hundred fifty-two".